Chinampas are best described as
a. hillside gardens
b. freshwater reservoirs
c. canals used for agriculture
d. islands used for agriculture

Chinampas are best described as islands used for agriculture. It is a Mesoamerican type of agriculture found in Mexico which uses small, rectangular areas of fertile land to grow crops on the shallow lake beds in valleys. They are originated by Nahua or the Aztecs.

islands used for agriculture answer question D.